Surface observations

Data from the National Weather Service, made available here by the UAlbany Department of Atmospheric and Environmental Sciences

The weather observed at BOSTON, MA (KBOS) at 03:54 AM EST was:
  The skies were partly cloudy.
  Temperature: 30F ( -1C)  Dewpoint:  17F ( -8C)  Relative Humidity:  58%
  Winds from the NW (330 degs) at 10 mph.
  Pressure: 1021.6 millibars.  Altimeter:30.17 inches of mercury.
  The prevailing visibility was 10 miles.